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• Slow Video play in mobile devices

  5 novembre 2015, par Rahul Chipad

  i have implemented video play functionality using html5 video tag.In web video play instantly but in mobile it takes to 15-20 seconds to play video over 3g/Wifi network

  i have searched for this issue and tried partial content request script in php but partial content request not working in browser.
  we have using ffmpeg for video encoding and akamai as cdn.

  ffmpeg -i '20102707.mp4' -y -f mp4 -vcodec libx264 -pix_fmt yuv420p -vprofile baseline -preset slow -b:v 158035 -r 12/1 -vf "scale=480:trunc(ow/a/2)*2" -acodec libfaac -b:a 18320 -ar 16000 -ac 2 '20102707_VIDEO_MEDIUM_H264.mp4' 2>&1

  i have tired different bit rate and frame rate for video encoding but all taking more time to play

  Any idea ?

• Revision a37e84d1d0 : msvs : Don't link to winmm.lib Linking to this library doesn't seem to be necess

  19 mai 2013, par Martin Storsjo

  Changed Paths :
   Modify /examples.mk

  
   Modify /libs.mk

  
  
  msvs : Don't link to winmm.lib

  Linking to this library doesn't seem to be necessary, and this library
  isn't available in the windows phone API subset.

  Change-Id : I179837d6f9c7407f1cb6101533dc978316a30adf

• Avplayer can not play streaming link from youtune on ios 7

  12 septembre 2015, par thaitujim

  I have a problem. Im trying to play audio streamming from youtube response.
  When i fecth youtube to get real Stream audio. And then i get real link

  example in this case is : "https://r6---sn-8qj-nbol.googlevideo.com/videoplayback?id=3c9bf82a23c991cb&itag=140&source=youtube&requiressl=yes&mv=m&ms=au&mm=31&gcr=vn&ratebypass=yes&mime=audio/mp4&gir=yes&clen=3662991&lmt=1394274529113749&dur=230.574&signature=232B6692726E12E9CFAEAC0C3990648710FCAE04.733EBD94E30ED230299CFA2E993577D656E18457&sver=3&fexp=907259,930666,932404,943909,947209,947215,948124,952302,952605,952901,953745,953913,957103,957105,957201&key=dg_yt0&upn=_bm8tftRoZM&mt=1415673491&ip= XXX.XXX.XXX.XXX &ipbits=0&expire=1415695122&sparams=ip,ipbits,expire,id,itag,source,requiressl,mv,ms,mm,gcr,ratebypass,mime,gir,clen,lmt,dur"

  with itag = 140, this link contain only audio format.

  and this problem here.
  when i handle it by Avplayer, i work well on IOS 8 device. but on IOS 7 device. it’s not working. Does Anybody can help me fix it or give me any solution.

  my code is very simple.

  self.mSongPlayer = [[AVPlayer alloc] initWithURL:urlAudio] ;
  self.mSongPlayer play] ;

  with urlAudio link is this link above.

  i tried with normal Stream link. example is : http://www.abstractpath.com/files/audiosamples/sample.mp3
  and it work normaly on same ios7 and ios8.

  thanks everybody.